Differences in Rates of Decrease of Environmental Radiation Dose Rates by Ground Surface Property in Fukushima City After the Fukushima Daiichi Nuclear Power Plant Accident

2013 ◽  
Vol 104 (1) ◽  
pp. 102-107 ◽  
Author(s):  
Takeyasu Kakamu ◽  
Hideyuki Kanda ◽  
Masayoshi Tsuji ◽  
Daisuke Kobayashi ◽  
Masao Miyake ◽  
...  
Keyword(s):  
Power Plant ◽  
Nuclear Power Plant ◽  
Radiation Dose ◽  
Surface Property ◽  
Nuclear Power ◽  
Ground Surface ◽  
Environmental Radiation ◽  
Nuclear Power Plant Accident ◽  
Dose Rates ◽  
Fukushima Daiichi

External Radiation Dose, Obesity, and Risk of Childhood Thyroid Cancer After the Fukushima Daiichi Nuclear Power Plant Accident

Epidemiology ◽  
2019 ◽  
Vol 30 (6) ◽  
pp. 853-860 ◽  
Author(s):  
Tetsuya Ohira ◽  
Akira Ohtsuru ◽  
Sanae Midorikawa ◽  
Hideto Takahashi ◽  
Seiji Yasumura ◽  
...  
Keyword(s):  
Thyroid Cancer ◽  
Power Plant ◽  
Nuclear Power Plant ◽  
Radiation Dose ◽  
Nuclear Power ◽  
External Radiation ◽  
Nuclear Power Plant Accident ◽  
External Radiation Dose ◽  
Fukushima Daiichi ◽  
Childhood Thyroid Cancer

scholarly journals Radiation dose rates now and in the future for residents neighboring restricted areas of the Fukushima Daiichi Nuclear Power Plant

2014 ◽  
Vol 111 (10) ◽  
pp. E914-E923 ◽  
Author(s):  
Kouji H. Harada ◽  
Tamon Niisoe ◽  
Mie Imanaka ◽  
Tomoyuki Takahashi ◽  
Katsumi Amako ◽  
...  
Keyword(s):  
Power Plant ◽  
Nuclear Power Plant ◽  
Radiation Dose ◽  
Radiation Exposure ◽  
Dose Rate ◽  
Nuclear Power ◽  
Solid Cancer ◽  
External Dose ◽  
Dose Rates ◽  
Fukushima Daiichi

Radiation dose rates were evaluated in three areas neighboring a restricted area within a 20- to 50-km radius of the Fukushima Daiichi Nuclear Power Plant in August–September 2012 and projected to 2022 and 2062. Study participants wore personal dosimeters measuring external dose equivalents, almost entirely from deposited radionuclides (groundshine). External dose rate equivalents owing to the accident averaged 1.03, 2.75, and 1.66 mSv/y in the village of Kawauchi, the Tamano area of Soma, and the Haramachi area of Minamisoma, respectively. Internal dose rates estimated from dietary intake of radiocesium averaged 0.0058, 0.019, and 0.0088 mSv/y in Kawauchi, Tamano, and Haramachi, respectively. Dose rates from inhalation of resuspended radiocesium were lower than 0.001 mSv/y. In 2012, the average annual doses from radiocesium were close to the average background radiation exposure (2 mSv/y) in Japan. Accounting only for the physical decay of radiocesium, mean annual dose rates in 2022 were estimated as 0.31, 0.87, and 0.53 mSv/y in Kawauchi, Tamano, and Haramachi, respectively. The simple and conservative estimates are comparable with variations in the background dose, and unlikely to exceed the ordinary permissible dose rate (1 mSv/y) for the majority of the Fukushima population. Health risk assessment indicates that post-2012 doses will increase lifetime solid cancer, leukemia, and breast cancer incidences by 1.06%, 0.03% and 0.28% respectively, in Tamano. This assessment was derived from short-term observation with uncertainties and did not evaluate the first-year dose and radioiodine exposure. Nevertheless, this estimate provides perspective on the long-term radiation exposure levels in the three regions.

Associations Between Childhood Thyroid Cancer and External Radiation Dose After the Fukushima Daiichi Nuclear Power Plant Accident

Epidemiology ◽  
2018 ◽  
Vol 29 (4) ◽  
pp. e32-e34 ◽  
Author(s):  
Tetsuya Ohira ◽  
Hideto Takahashi ◽  
Seiji Yasumura ◽  
Akira Ohtsuru ◽  
Sanae Midorikawa ◽  
...  
Keyword(s):  
Thyroid Cancer ◽  
Power Plant ◽  
Nuclear Power Plant ◽  
Radiation Dose ◽  
Nuclear Power ◽  
External Radiation ◽  
Nuclear Power Plant Accident ◽  
External Radiation Dose ◽  
Fukushima Daiichi ◽  
Childhood Thyroid Cancer

Environmental radiation at Izu-Oshima after the Fukushima Daiichi nuclear power plant accident

2012 ◽  
Vol 152 (1-3) ◽  
pp. 234-237 ◽  
Author(s):  
K. Inoue ◽  
M. Hosoda ◽  
M. Sugino ◽  
H. Simizu ◽  
A. Akimoto ◽  
...  
Keyword(s):  
Power Plant ◽  
Nuclear Power Plant ◽  
Nuclear Power ◽  
Environmental Radiation ◽  
Nuclear Power Plant Accident ◽  
Fukushima Daiichi
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